| Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Annotations > UrlValidator Annotation |
This validator checks that a field is a valid URL.
The annotation must be applied at method level.
| Parameter | Required | Default | Notes |
|---|---|---|---|
| message | yes | field error message | |
| key | no | i18n key from language specific properties file. | |
| fieldName | no | ||
| shortCircuit | no | false | If this validator should be used as shortCircuit. |
| type | yes | ValidatorType.FIELD | Enum value from ValidatorType. Either FIELD or SIMPLE can be used here. |
@UrlValidator(message = "Default message", key = "i18n.key", shortCircuit = true)